ChemInform Abstract: Synthesis of the First Example of a C2-C3/C2′-C3′-endo Unsaturated Pyrrolo[2,1-c][1,4]benzodiazepine Dimer.
Abstract
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ChemInform Abstract
A versatile and efficient synthetic route to C-ring unsaturated title compounds (I) and (II) is developed. This enables the preparation of gram quantities of the clinical candidate (II) and should allow the synthesis of more structurally diverse analogues.